I agree with the need for perspective. Sixty years ago people thought that kitchens would have a robot to do the cooking for you but instead we got microwave o

I agree with the need for perspective. Sixty years ago people thought that kitchens would have a robot to do the cooking for you but instead we got microwave ovens and ready meals. You get the same effect (easy meals) just through a different mechanism. The important things is solving a particular problem or need; not the actual technology. In that sense Google Now is the pivotal technology for Google, not glass.